Yoshinobu (塚本好信) Tsukamoto
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Born : 1961
Cat. M65 Ultrarunner since 2013
17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?Japan
Japan72,3%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 6 482; Σ finishers = 8 964. 6 482 / 8 964 × 100 = 72.31%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 099 km
Longest race100,0 km
12th OSJ Ontake 100km Ultra Trail — 13/7/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road17,6%
Trail82,4%
Records
HISTORY
17 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 11.12 | 70km | 9th Izu Trail Journey |
13:17:56 h | 1147 |
| 15.10 | 73km | 7th Gasando Trail running race |
14:06:42 h | 244 |
| 2020 | ||||
| 13.12 | 66km | 7th Izu Trail Journey |
12:50:19 h | 975 |
| 2019 | ||||
| 13.07 | 100km | 12th OSJ Ontake 100km Ultra Trail |
18:17:12 h | 722 |
| 2018 | ||||
| 09.12 | 71.7km | 5th Izu Trail Journey |
13:14:25 h | 996 |
| 14.10 | 57.8km | 2nd Kohechi Trail Journey |
10:27:24 h | 63 |
| 23.09 | 75km | 3rd Forestrail Shinjo-Hiruzen |
13:37:13 h | 120 |
| 28.04 | 92km | 5th Shizuoka to Yamanashi |
19:36:42 h | 510 |
| 2017 | ||||
| 10.09 | 50km | 9th Shinshu-Togakushi Trail Run Race |
9:06:55 h | 154 |
| 01.07 | 45km | 7th Utsukushigahara 45 km Trail Run |
7:07:21 h | 160 |
| 21.05 | 55.7km | 4th Kobo Trail 2017 |
11:39:15 h | 27 |
| 26.03 | 56km | 16th Mt. Rocco Cannonball Run - 56 km Speed |
8:49:49 h | 301 |
| 2016 | ||||
| 02.10 | 50km | 10th Madarao Forest Trails 50km |
7:34:04 h | 216 |
| 22.05 | 77km | 21th Saba Highway Ultramarathon |
11:42:50 h | 431 |
| 2015 | ||||
| 04.10 | 50km | 9th Madarao Forest Trails 50km |
6:48:49 h | 137 |
| 2014 | ||||
| 05.10 | 50km | 8th Madarao Forest Trails 50km |
7:51:28 h | 265 |
| 2013 | ||||
| 20.10 | 60km | 2nd Noto Peninsula 60 km Ultra Marathon |
6:25:47 h | 31 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/7/2019 | 12th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 2 | 28/4/2018 | 5th Shizuoka to Yamanashi (STY) | 92,00 | ×3 |
| ✓ 3 | 22/5/2016 | 21th Saba Highway Ultramarathon | 77,00 | ×2 |
| ✓ 4 | 23/9/2018 | 3rd Forestrail Shinjo-Hiruzen | 75,00 | ×2 |
| ✓ 5 | 15/10/2022 | 7th Gasando Trail running race | 73,00 | ×2 |
| ✓ 6 | 9/12/2018 | 5th Izu Trail Journey | 71,70 | ×2 |
| ✓ 7 | 11/12/2022 | 9th Izu Trail Journey | 70,00 | ×2 |
| ✓ 8 | 13/12/2020 | 7th Izu Trail Journey | 66,00 | ×2 |
| ✓ 9 | 20/10/2013 | 2nd Noto Peninsula 60 km Ultra Marathon | 60,00 | ×2 |
| ✓ 10 | 14/10/2018 | 2nd Kohechi Trail Journey | 57,80 | ×2 |
| ✓ 11 | 26/3/2017 | 16th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×2 |
| ✓ 12 | 21/5/2017 | 4th Kobo Trail 2017 | 55,70 | ×1 |
| ✓ 13 | 10/9/2017 | 9th Shinshu-Togakushi Trail Run Race | 50,00 | ×1 |
| ✓ 14 | 2/10/2016 | 10th Madarao Forest Trails 50km | 50,00 | ×1 |
| ✓ 15 | 4/10/2015 | 9th Madarao Forest Trails 50km | 50,00 | ×1 |
| ✓ 16 | 5/10/2014 | 8th Madarao Forest Trails 50km | 50,00 | ×1 |
| ✓ 17 | 1/7/2017 | 7th Utsukushigahara 45 km Trail Run | 45,00 | ×1 |